Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
Sanguessuga surfForecast / Alentejo / Portugal
48hr Weather and Surf, issued 11 pm Friday 12 Dec 2025 WETForecast update in hr min s Forecast update imminent
Sanguessuga surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sanguessuga sea temperature is
16.4° C
(Which is slightly cooler than normal)How big are the waves at Sanguessuga today?
The current surf forecast for Sanguessuga at 5AM is: 4.5m 18s primary swell from a Northwest direction (forecast issued at 11:00pm December 12). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 13ft (4.0m) | 17s |
| Afternoon (13 Dec) | 11ft (3.5m) | 16s |
| Evening (13 Dec) | 10ft (3.0m) | 16s |
Table - waves today at Sanguessuga. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 19 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 14557 | 13803 | 12876 | 11974 | 10569 | 9277 | 6816 | 5526 | 4765 | 3365 | 2541 | 2474 | 2004 | 1452 | 1223 | 1346 | 1387 | 1850 | 1997 | 2031 | 1889 | 1933 | 1693 | 1533 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | glass | glass | cross | cross- on | cross- on | cross- on | cross |
High Tide / height (m) | 9:10PM 2.59 | 9:29AM 2.76 | 10:15PM 2.63 | 10:32AM 2.74 | 11:11PM 2.71 | 11:28AM 2.76 | ||||||||||||||||||
Low Tide / height (m) | 3:14AM 1.42 | 4:02PM 1.26 | 4:22AM 1.39 | 4:56PM 1.23 | 5:19AM 1.31 | 5:42PM 1.18 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:41 | - | - | - | - | - | - | - | 7:41 | - | - | - | - | - | - | - | 7:43 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - |
 |  | | |  |  |  |  | | | | | | | | |  | | | | | |  | | |
Rain (mm) | 3 | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 3 | 2 |
| Temp. °C | 13 | 13 | 13 | 13 | 12 | 15 | 17 | 15 | 14 | 13 | 11 | 10 | 11 | 15 | 17 | 15 | 13 | 12 | 12 | 11 | 13 | 16 | 15 | 13 |
| Feels °C (?) | 11 | 10 | 9 | 10 | 8 | 11 | 14 | 12 | 10 | 9 | 7 | 6 | 8 | 12 | 15 | 13 | 11 | 11 | 11 | 10 | 11 | 13 | 10 | 9 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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